SMDK5250: Add ethernet support

This patch enable support for SMC911X based ethernet device.

Signed-off-by Chander Kashyap <[email protected]>

---
Changes in v2:
? ? ? ?- As Simon pointed smc9115_pre_init() is moved inside ? ? ? ? ?in board_eth_init() in smc911x_initialize ? ? ? ?- Removed CONFIG_ETHADDR and CONFIG_NET_MULTI defines.

?board/samsung/smdk5250/smdk5250.c | ? 94 +++++++++++++++++++++++++++++++++++++ ?include/configs/smdk5250.h ? ? ? ?| ? 11 ++++-
?2 files changed, 103 insertions(+), 2 deletions(-)

board/samsung/smdk5250/smdk5250.c +94 -0

index 04c863a..928c08f 100644
@@ -31,6 +31,91 @@
 ?DECLARE_GLOBAL_DATA_PTR;
 ?struct exynos5_gpio_part1 *gpio1;
 
+#ifdef CONFIG_SMC911X
+static void smc9115_pre_init(void)
+{
+ ? ? ? u32 smc_bw_conf, smc_bc_conf;
+ ? ? ? int i;
+
+ ? ? ? /*
+ ? ? ? ?* SROM:CS1 and EBI
+ ? ? ? ?*
+ ? ? ? ?* GPY0[0] ? ? ?SROM_CSn[0]
+ ? ? ? ?* GPY0[1] ? ? ?SROM_CSn[1](2)
+ ? ? ? ?* GPY0[2] ? ? ?SROM_CSn[2]
+ ? ? ? ?* GPY0[3] ? ? ?SROM_CSn[3]
+ ? ? ? ?* GPY0[4] ? ? ?EBI_OEn(2)
+ ? ? ? ?* GPY0[5] ? ? ?EBI_EEn(2)
+ ? ? ? ?*
+ ? ? ? ?* GPY1[0] ? ? ?EBI_BEn[0](2)
+ ? ? ? ?* GPY1[1] ? ? ?EBI_BEn[1](2)
+ ? ? ? ?* GPY1[2] ? ? ?SROM_WAIT(2)
+ ? ? ? ?* GPY1[3] ? ? ?EBI_DATA_RDn(2)
+ ? ? ? ?*/
+ ? ? ? s5p_gpio_cfg_pin(&gpio1->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
+ ? ? ? s5p_gpio_cfg_pin(&gpio1->y0, 4, GPIO_FUNC(2));
+ ? ? ? s5p_gpio_cfg_pin(&gpio1->y0, 5, GPIO_FUNC(2));
+
+ ? ? ? for (i = 0; i < 4; i++)
+ ? ? ? ? ? ? ? s5p_gpio_cfg_pin(&gpio1->y1, i, GPIO_FUNC(2));
+
+ ? ? ? /*
+ ? ? ? ?* EBI: 8 Addrss Lines
+ ? ? ? ?*
+ ? ? ? ?* GPY3[0] ? ? ?EBI_ADDR[0](2)
+ ? ? ? ?* GPY3[1] ? ? ?EBI_ADDR[1](2)
+ ? ? ? ?* GPY3[2] ? ? ?EBI_ADDR[2](2)
+ ? ? ? ?* GPY3[3] ? ? ?EBI_ADDR[3](2)
+ ? ? ? ?* GPY3[4] ? ? ?EBI_ADDR[4](2)
+ ? ? ? ?* GPY3[5] ? ? ?EBI_ADDR[5](2)
+ ? ? ? ?* GPY3[6] ? ? ?EBI_ADDR[6](2)
+ ? ? ? ?* GPY3[7] ? ? ?EBI_ADDR[7](2)
+ ? ? ? ?*
+ ? ? ? ?* EBI: 16 Data Lines
+ ? ? ? ?*
+ ? ? ? ?* GPY5[0] ? ? ?EBI_DATA[0](2)
+ ? ? ? ?* GPY5[1] ? ? ?EBI_DATA[1](2)
+ ? ? ? ?* GPY5[2] ? ? ?EBI_DATA[2](2)
+ ? ? ? ?* GPY5[3] ? ? ?EBI_DATA[3](2)
+ ? ? ? ?* GPY5[4] ? ? ?EBI_DATA[4](2)
+ ? ? ? ?* GPY5[5] ? ? ?EBI_DATA[5](2)
+ ? ? ? ?* GPY5[6] ? ? ?EBI_DATA[6](2)
+ ? ? ? ?* GPY5[7] ? ? ?EBI_DATA[7](2)
+ ? ? ? ?*
+ ? ? ? ?* GPY6[0] ? ? ?EBI_DATA[8](2)
+ ? ? ? ?* GPY6[1] ? ? ?EBI_DATA[9](2)
+ ? ? ? ?* GPY6[2] ? ? ?EBI_DATA[10](2)
+ ? ? ? ?* GPY6[3] ? ? ?EBI_DATA[11](2)
+ ? ? ? ?* GPY6[4] ? ? ?EBI_DATA[12](2)
+ ? ? ? ?* GPY6[5] ? ? ?EBI_DATA[13](2)
+ ? ? ? ?* GPY6[6] ? ? ?EBI_DATA[14](2)
+ ? ? ? ?* GPY6[7] ? ? ?EBI_DATA[15](2)
+ ? ? ? ?*/
+ ? ? ? for (i = 0; i < 8; i++) {
+ ? ? ? ? ? ? ? s5p_gpio_cfg_pin(&gpio1->y3, i, GPIO_FUNC(2));
+ ? ? ? ? ? ? ? s5p_gpio_set_pull(&gpio1->y3, i, GPIO_PULL_UP);
+
+ ? ? ? ? ? ? ? s5p_gpio_cfg_pin(&gpio1->y5, i, GPIO_FUNC(2));
+ ? ? ? ? ? ? ? s5p_gpio_set_pull(&gpio1->y5, i, GPIO_PULL_UP);
+
+ ? ? ? ? ? ? ? s5p_gpio_cfg_pin(&gpio1->y6, i, GPIO_FUNC(2));
+ ? ? ? ? ? ? ? s5p_gpio_set_pull(&gpio1->y6, i, GPIO_PULL_UP);
+ ? ? ? }
+
+ ? ? ? /* Ethernet needs data bus width of 16 bits */
+ ? ? ? smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK)
+ ? ? ? ? ? ? ? ? ? ? ? | SROMC_BYTE_ENABLE(CONFIG_ENV_SROM_BANK);
+
+ ? ? ? smc_bc_conf = SROMC_BC_TACS(0x01) | SROMC_BC_TCOS(0x01)
+ ? ? ? ? ? ? ? ? ? ? ? | SROMC_BC_TACC(0x06) | SROMC_BC_TCOH(0x01)
+ ? ? ? ? ? ? ? ? ? ? ? | SROMC_BC_TAH(0x0C) ?| SROMC_BC_TACP(0x09)
+ ? ? ? ? ? ? ? ? ? ? ? | SROMC_BC_PMC(0x01);
+
+ ? ? ? /* Select and configure the SROMC bank */
+ ? ? ? s5p_config_sromc(CONFIG_ENV_SROM_BANK, smc_bw_conf, smc_bc_conf);
+}
+#endif
+
 ?int board_init(void)
 ?{
 ? ? ? ?gpio1 = (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1();

@@ -80,6 +165,15 @@ void dram_init_banksize(void)
 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?PHYS_SDRAM_8_SIZE);
 ?}
 
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_SMC911X
+ ? ? ? smc9115_pre_init();
+ ? ? ? return smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#endif
+ ? ? ? return 0;
+}
+

?#ifdef CONFIG_DISPLAY_BOARDINFO
?int checkboard(void)
?{

include/configs/smdk5250.h +0 -0

index f54d7ac..9659f9e 100644
@@ -96,8 +96,7 @@

?#define CONFIG_CMD_MMC
?#define CONFIG_CMD_EXT2
?#define CONFIG_CMD_FAT

include/configs/smdk5250.h +1 -2

-#undef CONFIG_CMD_NET
-#undef CONFIG_CMD_NFS
+#define CONFIG_CMD_NET

?#define CONFIG_BOOTDELAY ? ? ? ? ? ? ? 3
?#define CONFIG_ZERO_BOOTDELAY_CHECK

include/configs/smdk5250.h +8 -0

@@ -191,6 +190,14 @@
 
 ?#define CONFIG_SYS_INIT_SP_ADDR ? ? ? ?(CONFIG_SYS_LOAD_ADDR - 0x1000000)
 
+/* Ethernet Controllor Driver */
+#ifdef CONFIG_CMD_NET
+#define CONFIG_SMC911X
+#define CONFIG_SMC911X_BASE ? ? ? ? ? ?0x5000000
+#define CONFIG_SMC911X_16_BIT
+#define CONFIG_ENV_SROM_BANK ? ? ? ? ? 1
+#endif /*CONFIG_CMD_NET*/
+

?/* Enable devicetree support */
?#define CONFIG_OF_LIBFDT

--
1.7.5.4

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Quoted 3 lines · Chander Kashyap

This patch enable support for SMC911X based ethernet device.

Signed-off-by Chander Kashyap <[email protected]>

Acked-by Simon Glass <[email protected]>

Quoted 10 lines

---
Changes in v2:
? ? ? ?- As Simon pointed smc9115_pre_init() is moved inside ? ? ? ? ?in board_eth_init() in smc911x_initialize ? ? ? ?- Removed CONFIG_ETHADDR and CONFIG_NET_MULTI defines.

?board/samsung/smdk5250/smdk5250.c | ? 94 +++++++++++++++++++++++++++++++++++++ ?include/configs/smdk5250.h ? ? ? ?| ? 11 ++++-
?2 files changed, 103 insertions(+), 2 deletions(-)